Answer this question truthfully
### Question: What are the symptoms of Iron deficiency anemia?
### Response: You may have no symptoms if the anemia is mild.
Most of the time, symptoms are mild at first and develop slowly. Symptoms may include:
Feeling grumpy Feeling weak or tired more often than usual, or with exercise Headaches Problems concentrating or thinking
As the anemia gets worse, symptoms may include:
Blue color to the whites of the eyes Brittle nails Light-headedness when you stand up Pale skin color Shortness of breath Sore tongue
Symptoms of the conditions that cause iron deficiency anemia include:
Dark, tar-colored stools or blood Heavy menstrual bleeding (women) Pain in the upper belly (from ulcers) Weight loss (in people with cancer)